Vulnerability Description
A vulnerability has been found in Casdoor up to 4.0.0. This affects an unknown function of the file controllers/resource.go of the component upload-resource API. Such manipulation leads to missing authentication. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor deleted the GitHub issue for this vulnerability without any explanation. Afterwards the vendor was contacted early about this disclosure via email but did not respond in any way.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/casdoor/casdoor/
- https://github.com/casdoor/casdoor/issues/5617
- https://github.com/geo-chen/oss/blob/main/casdoor.md#finding-1-unauthenticated-a
- https://vuldb.com/cve/CVE-2026-84423
- https://vuldb.com/submit/883037
- https://vuldb.com/vuln/397791
- https://vuldb.com/vuln/397791/cti
FAQ
What is CVE-2026-84423?
CVE-2026-84423 is a vulnerability with a CVSS score of 7.3 (HIGH). A vulnerability has been found in Casdoor up to 4.0.0. This affects an unknown function of the file controllers/resource.go of the component upload-resource API. Such manipulation leads to missing aut...
How severe is CVE-2026-84423?
CVE-2026-84423 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-84423?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.